Strength of Materials Questions

• In case of an over-reinforced beam, the depth of actual neutral axis is the same as that of the critical neutral axis.
• A rectangular beam subjected to a bending moment is shown in the below figure. The upper layer of the beam will be in tension.
• A closely-coiled helical spring of stiffness k is cut into (n) equal parts. The stiffness in each part of the spring will be
• The bending moment at the ends of a simply supported beam will be zero.
• For no tension condition in the base of a short column of circular section, the line of action of the load should be within a circle of diameter equal to __________ of the main circle.
• When a body is subjected to a direct tensile stress (σ) in one plane, then maximum normal stress occurs at a section inclined at __________ to the normal of the section.
• In case of an under-reinforced beam, the depth of actual neutral axis is __________ that of the critical neutral axis.
• A beam extending beyond the supports is called
• The maximum shear stress developed in a beam of circular section is __________ the average shear stress.
• A flitched beam is used to
• For a beam, as shown in the below figure, the deflection at C is (where E = Young's modulus for the beam material, and I = Moment of inertia of the beam section. )
• In a stress-strain diagram as shown in the below figure, the curve A represents
• The shear force of a cantilever beam of length l carrying a uniformly distributed load of w per unit length is __________ at the free end.
• A leaf spring is supported at the
• Two beams, one of circular cross-section and the other of square cross-section, have equal areas of cross-sections. When these beams are subjected to bending,
• The steel bars in a reinforced cement concrete beam are embedded __________ of the beam.
• The direct stress induced in a long column is __________ as compared to bending stress.
• The assumption made in the theory of the reinforced cement concrete beam is that
• The tensile strength of ductile materials is __________ its compressive strength.
• The thickness of a thin cylindrical shell with hemispherical ends is __________ that of spherical ends.